Question 198056
{{{(x^2+x-12)/(x-3)}}}
{{{((x-3)(x+4))/(x-3)}}}
{{{x+4}}}
Limit of x+4 as x approaches three is x+4 = 7

Also see this --> http://www59.wolframalpha.com/input/?i=what+is+the+limit+of+(x^2%2Bx-12)%2F(x-3)++as+x+approaches+3